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ELASTOSIL® RT 7331 TC A/B US
ELASTOSIL® RT 7331 TC A/B is a low viscous, self-levelling and self-adhesive addition-curing, two-component encapsulant that cures at elevated temperature to a thermally conductive silicone elastomer.
特性
- Two-part, 1 : 1 mixing ratio
- Thermally conductive
- Primerless adhesion
- Self-levelling; good flow for pouring / dispensing applications
包装
Caution:
Only components A and B with the same lot number may be processed together!
To ensure homogeneity of the material, the components must be stirred thoroughly before they are removed or processed in their containers, in order to uniformly disperse any filler that might have settled during storage.
Surface preparation:
All surfaces must be clean and free of contaminants that will inhibit the cure of ELASTOSIL® RT 7331 TC A/B.
Examples of inhibiting contaminants are sulfur containing materials, plasticizers, urethanes, amine containing materials and organometallic compounds especially organotin compounds.
If a substrate’s ability to inhibit cure is unknown, a small scale test should be run to determine compatibility.
Mixing:
Component A of ELASTOSIL® RT 7331 TC A/B contains the platinum catalyst, component B the crosslinker.
Even traces of the platinum catalyst may cause gelling of the component containing the crosslinker.
Therefore tools (spatula, stirrers, etc.) used for handling the platinum-containing component or the catalyzed compound must not come into contact with this component.
The two components should be thoroughly mixed at a 1 : 1 ratio by weight or volume.
To eliminate any air introduced during dispensing or trapped under components or devices a vacuum encapsulation is recommended.
Curing:
Curing time of addition-curing silicone rubber is highly dependent on temperature, size and heat sink
properties of the component being potted.
We recommend running preliminary tests to optimize conditions for the particular application.
Comprehensive processing instructions are given in our leaflet "WACKER RTV-2 Silicone Rubber - Processing".
储存
ELASTOSIL® RT 7331 TC A/B should be stored dry and cool in the tightly closed original container.
The 'Best use before end' date of each batch appears on the product label.
To ensure material homogeneity during storage, redispersion is required every 2 weeks in order to uniformly disperse fillers that may settle during storage.
Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable.
In this case however, the properties required for the intended use must be checked for quality assurance reasons.
销售和支持
200233 Shanghai
中国大陆
+86 21 6130-2500 （传真）
经销商
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